Sun vs. the Blue Supergiant. * Rigel, the supergiant blue star, dwarfs everything around it, including our Sun. * In this video, the focus of this visual is on their diameters - giving you a stunning scale comparison. But more than that, it's about what type of star each one is, and what that means: * The Sun is a stable main-sequence yellow dwarf, the kind of star that can host life-bearing planets like Earth. * Vega is a main-sequence white star, hotter, brighter, and spinning much faster than